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Python用for循环实现九九乘法表

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下面通过一段代码给大家介绍python 使用for 循环实现九九乘法表,具体代码如下所示:

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#for 循环实现99乘法表
for i in range ( 1 , 10 ):
   for j in range ( 1 ,i + 1 ):
     print ( "{}*{} = {:<4}" . format (i,j,i * j),end = " " )
   print ("")
print ( '第1种' + "-" * 96 )
for i in range ( 9 , 0 , - 1 ):
   for j in range ( 1 ,i + 1 ):
     print ( "{}*{} = {:<4}" . format (i, j, i * j), end = " " )
   print ("")
print ( '第2种' + "-" * 96 )
for i in range ( 1 , 10 ):
   for k in range ( 1 ,i):
     print (end = "      " )
   for j in range (i, 10 ):
       print ( "{}*{} = {:<4}" . format (i,j,i * j),end = " " )
   print ("")
print ( '第3种' + "-" * 96 )
for i in range ( 9 , 0 , - 1 ):
   for k in range ( 1 ,i):
     print (end = "      " )
   for j in range (i, 10 ):
       print ( "{}*{} = {:<4}" . format (i,j,i * j),end = " " )
   print ("")
print ( '第4种' + "-" * 96 )
for i in range ( 1 , 10 ):
   for j in range ( 1 , 10 ):
     print ( "%d*%d=%2d" % (i,j,i * j),end = "  " )
   print ("")
print ( '第5种' + "-" * 96 )
for i in range ( 1 , 10 ):
   for j in range (i, 10 ):
     print ( "%d*%d=%2d" % (i,j,i * j),end = "  " )
   print ("")
print ( '第6种' + "-" * 96 )
for i in range ( 9 , 0 , - 1 ):
   for j in range ( 1 ,i + 1 ):
     print ( "%d*%d=%2d" % (i,j,i * j),end = "  " )
   print ("")
print ( '第7种' + "-" * 96 )
for i in range ( 1 , 10 ):
   for k in range ( 1 ,i):
     print (end = "     " )
   for j in range (i, 10 ):
     print ( "%d*%d=%2d" % (i, j, i * j), end = "  " )
   print ("")
print ( '第8种' + "-" * 96 )
for i in range ( 1 , 10 ):
   for k in range ( 1 , 10 - i):
     print (end = "     " )
   for j in range (i, 0 , - 1 ):
     print ( "%d*%d=%2d" % (i, j, i * j), end = "  " )
   print ("")
print ( '第9种' + "-" * 96 )

总结 。

以上所述是小编给大家介绍的Python用for循环实现九九乘法表,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对我网站的支持! 。

原文链接:https://blog.csdn.net/CAIJINZHI/article/details/80519799 。

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